2 #include "xorg_renderer.h"
4 #include "xorg_exa_tgsi.h"
6 #include "cso_cache/cso_context.h"
7 #include "util/u_draw_quad.h"
8 #include "util/u_math.h"
9 #include "util/u_memory.h"
10 #include "util/u_rect.h"
11 #include "util/u_sampler.h"
13 #include "util/u_inlines.h"
17 #define floatsEqual(x, y) (fabs(x - y) <= 0.00001f * MIN2(fabs(x), fabs(y)))
18 #define floatIsZero(x) (floatsEqual((x) + 1, 1))
20 #define NUM_COMPONENTS 4
22 static INLINE boolean is_affine(float *matrix)
24 return floatIsZero(matrix[2]) && floatIsZero(matrix[5])
25 && floatsEqual(matrix[8], 1);
27 static INLINE void map_point(float *mat, float x, float y,
28 float *out_x, float *out_y)
36 *out_x = mat[0]*x + mat[3]*y + mat[6];
37 *out_y = mat[1]*x + mat[4]*y + mat[7];
38 if (!is_affine(mat)) {
39 float w = 1/(mat[2]*x + mat[5]*y + mat[8]);
45 static INLINE struct pipe_buffer *
46 renderer_buffer_create(struct xorg_renderer *r)
48 struct pipe_buffer *buf =
49 pipe_user_buffer_create(r->pipe->screen,
59 renderer_draw(struct xorg_renderer *r)
61 struct pipe_context *pipe = r->pipe;
62 struct pipe_buffer *buf = 0;
63 int num_verts = r->buffer_size/(r->attrs_per_vertex * NUM_COMPONENTS);
68 buf = renderer_buffer_create(r);
72 cso_set_vertex_elements(r->cso, r->attrs_per_vertex, r->velems);
74 util_draw_vertex_buffer(pipe, buf, 0,
76 num_verts, /* verts */
77 r->attrs_per_vertex); /* attribs/vert */
79 pipe_buffer_reference(&buf, NULL);
84 renderer_draw_conditional(struct xorg_renderer *r,
87 if (r->buffer_size + next_batch >= BUF_SIZE ||
88 (next_batch == 0 && r->buffer_size)) {
94 renderer_init_state(struct xorg_renderer *r)
96 struct pipe_depth_stencil_alpha_state dsa;
97 struct pipe_rasterizer_state raster;
100 /* set common initial clip state */
101 memset(&dsa, 0, sizeof(struct pipe_depth_stencil_alpha_state));
102 cso_set_depth_stencil_alpha(r->cso, &dsa);
105 /* XXX: move to renderer_init_state? */
106 memset(&raster, 0, sizeof(struct pipe_rasterizer_state));
107 raster.gl_rasterization_rules = 1;
108 cso_set_rasterizer(r->cso, &raster);
110 /* vertex elements state */
111 memset(&r->velems[0], 0, sizeof(r->velems[0]) * 3);
112 for (i = 0; i < 3; i++) {
113 r->velems[i].src_offset = i * 4 * sizeof(float);
114 r->velems[i].instance_divisor = 0;
115 r->velems[i].vertex_buffer_index = 0;
116 r->velems[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
122 add_vertex_color(struct xorg_renderer *r,
126 float *vertex = r->buffer + r->buffer_size;
130 vertex[2] = 0.f; /*z*/
131 vertex[3] = 1.f; /*w*/
133 vertex[4] = color[0]; /*r*/
134 vertex[5] = color[1]; /*g*/
135 vertex[6] = color[2]; /*b*/
136 vertex[7] = color[3]; /*a*/
142 add_vertex_1tex(struct xorg_renderer *r,
143 float x, float y, float s, float t)
145 float *vertex = r->buffer + r->buffer_size;
149 vertex[2] = 0.f; /*z*/
150 vertex[3] = 1.f; /*w*/
154 vertex[6] = 0.f; /*r*/
155 vertex[7] = 1.f; /*q*/
161 add_vertex_data1(struct xorg_renderer *r,
162 float srcX, float srcY, float dstX, float dstY,
163 float width, float height,
164 struct pipe_texture *src, float *src_matrix)
166 float s0, t0, s1, t1, s2, t2, s3, t3;
167 float pt0[2], pt1[2], pt2[2], pt3[2];
171 pt1[0] = (srcX + width);
173 pt2[0] = (srcX + width);
174 pt2[1] = (srcY + height);
176 pt3[1] = (srcY + height);
179 map_point(src_matrix, pt0[0], pt0[1], &pt0[0], &pt0[1]);
180 map_point(src_matrix, pt1[0], pt1[1], &pt1[0], &pt1[1]);
181 map_point(src_matrix, pt2[0], pt2[1], &pt2[0], &pt2[1]);
182 map_point(src_matrix, pt3[0], pt3[1], &pt3[0], &pt3[1]);
185 s0 = pt0[0] / src->width0;
186 s1 = pt1[0] / src->width0;
187 s2 = pt2[0] / src->width0;
188 s3 = pt3[0] / src->width0;
189 t0 = pt0[1] / src->height0;
190 t1 = pt1[1] / src->height0;
191 t2 = pt2[1] / src->height0;
192 t3 = pt3[1] / src->height0;
195 add_vertex_1tex(r, dstX, dstY, s0, t0);
197 add_vertex_1tex(r, dstX + width, dstY, s1, t1);
199 add_vertex_1tex(r, dstX + width, dstY + height, s2, t2);
201 add_vertex_1tex(r, dstX, dstY + height, s3, t3);
206 add_vertex_2tex(struct xorg_renderer *r,
208 float s0, float t0, float s1, float t1)
210 float *vertex = r->buffer + r->buffer_size;
214 vertex[2] = 0.f; /*z*/
215 vertex[3] = 1.f; /*w*/
217 vertex[4] = s0; /*s*/
218 vertex[5] = t0; /*t*/
219 vertex[6] = 0.f; /*r*/
220 vertex[7] = 1.f; /*q*/
222 vertex[8] = s1; /*s*/
223 vertex[9] = t1; /*t*/
224 vertex[10] = 0.f; /*r*/
225 vertex[11] = 1.f; /*q*/
227 r->buffer_size += 12;
231 add_vertex_data2(struct xorg_renderer *r,
232 float srcX, float srcY, float maskX, float maskY,
233 float dstX, float dstY, float width, float height,
234 struct pipe_texture *src,
235 struct pipe_texture *mask,
236 float *src_matrix, float *mask_matrix)
238 float src_s0, src_t0, src_s1, src_t1;
239 float mask_s0, mask_t0, mask_s1, mask_t1;
240 float spt0[2], spt1[2];
241 float mpt0[2], mpt1[2];
245 spt1[0] = srcX + width;
246 spt1[1] = srcY + height;
250 mpt1[0] = maskX + width;
251 mpt1[1] = maskY + height;
254 map_point(src_matrix, spt0[0], spt0[1], &spt0[0], &spt0[1]);
255 map_point(src_matrix, spt1[0], spt1[1], &spt1[0], &spt1[1]);
259 map_point(mask_matrix, mpt0[0], mpt0[1], &mpt0[0], &mpt0[1]);
260 map_point(mask_matrix, mpt1[0], mpt1[1], &mpt1[0], &mpt1[1]);
263 src_s0 = spt0[0] / src->width0;
264 src_t0 = spt0[1] / src->height0;
265 src_s1 = spt1[0] / src->width0;
266 src_t1 = spt1[1] / src->height0;
268 mask_s0 = mpt0[0] / mask->width0;
269 mask_t0 = mpt0[1] / mask->height0;
270 mask_s1 = mpt1[0] / mask->width0;
271 mask_t1 = mpt1[1] / mask->height0;
274 add_vertex_2tex(r, dstX, dstY,
275 src_s0, src_t0, mask_s0, mask_t0);
277 add_vertex_2tex(r, dstX + width, dstY,
278 src_s1, src_t0, mask_s1, mask_t0);
280 add_vertex_2tex(r, dstX + width, dstY + height,
281 src_s1, src_t1, mask_s1, mask_t1);
283 add_vertex_2tex(r, dstX, dstY + height,
284 src_s0, src_t1, mask_s0, mask_t1);
287 static struct pipe_buffer *
288 setup_vertex_data_yuv(struct xorg_renderer *r,
289 float srcX, float srcY, float srcW, float srcH,
290 float dstX, float dstY, float dstW, float dstH,
291 struct pipe_texture **tex)
293 float s0, t0, s1, t1;
294 float spt0[2], spt1[2];
298 spt1[0] = srcX + srcW;
299 spt1[1] = srcY + srcH;
301 s0 = spt0[0] / tex[0]->width0;
302 t0 = spt0[1] / tex[0]->height0;
303 s1 = spt1[0] / tex[0]->width0;
304 t1 = spt1[1] / tex[0]->height0;
307 add_vertex_1tex(r, dstX, dstY, s0, t0);
309 add_vertex_1tex(r, dstX + dstW, dstY,
312 add_vertex_1tex(r, dstX + dstW, dstY + dstH,
315 add_vertex_1tex(r, dstX, dstY + dstH,
318 return renderer_buffer_create(r);
323 /* Set up framebuffer, viewport and vertex shader constant buffer
324 * state for a particular destinaton surface. In all our rendering,
325 * these concepts are linked.
327 void renderer_bind_destination(struct xorg_renderer *r,
328 struct pipe_surface *surface,
333 struct pipe_framebuffer_state fb;
334 struct pipe_viewport_state viewport;
336 /* Framebuffer uses actual surface width/height
338 memset(&fb, 0, sizeof fb);
339 fb.width = surface->width;
340 fb.height = surface->height;
342 fb.cbufs[0] = surface;
345 /* Viewport just touches the bit we're interested in:
347 viewport.scale[0] = width / 2.f;
348 viewport.scale[1] = height / 2.f;
349 viewport.scale[2] = 1.0;
350 viewport.scale[3] = 1.0;
351 viewport.translate[0] = width / 2.f;
352 viewport.translate[1] = height / 2.f;
353 viewport.translate[2] = 0.0;
354 viewport.translate[3] = 0.0;
356 /* Constant buffer set up to match viewport dimensions:
358 if (r->fb_width != width ||
359 r->fb_height != height)
361 float vs_consts[8] = {
362 2.f/width, 2.f/height, 1, 1,
367 r->fb_height = height;
369 renderer_set_constants(r, PIPE_SHADER_VERTEX,
370 vs_consts, sizeof vs_consts);
373 cso_set_framebuffer(r->cso, &fb);
374 cso_set_viewport(r->cso, &viewport);
378 struct xorg_renderer * renderer_create(struct pipe_context *pipe)
380 struct xorg_renderer *renderer = CALLOC_STRUCT(xorg_renderer);
382 renderer->pipe = pipe;
383 renderer->cso = cso_create_context(pipe);
384 renderer->shaders = xorg_shaders_create(renderer);
386 renderer_init_state(renderer);
391 void renderer_destroy(struct xorg_renderer *r)
393 struct pipe_buffer **vsbuf = &r->vs_const_buffer;
394 struct pipe_buffer **fsbuf = &r->fs_const_buffer;
397 pipe_buffer_reference(vsbuf, NULL);
400 pipe_buffer_reference(fsbuf, NULL);
403 xorg_shaders_destroy(r->shaders);
408 cso_release_all(r->cso);
409 cso_destroy_context(r->cso);
418 void renderer_set_constants(struct xorg_renderer *r,
423 struct pipe_buffer **cbuf =
424 (shader_type == PIPE_SHADER_VERTEX) ? &r->vs_const_buffer :
427 pipe_buffer_reference(cbuf, NULL);
428 *cbuf = pipe_buffer_create(r->pipe->screen, 16,
429 PIPE_BUFFER_USAGE_CONSTANT,
433 pipe_buffer_write(r->pipe->screen, *cbuf,
434 0, param_bytes, params);
436 r->pipe->set_constant_buffer(r->pipe, shader_type, 0, *cbuf);
440 void renderer_copy_prepare(struct xorg_renderer *r,
441 struct pipe_surface *dst_surface,
442 struct pipe_texture *src_texture)
444 struct pipe_context *pipe = r->pipe;
445 struct pipe_screen *screen = pipe->screen;
446 struct xorg_shader shader;
448 assert(screen->is_format_supported(screen, dst_surface->format,
450 PIPE_TEXTURE_USAGE_RENDER_TARGET,
455 /* set misc state we care about */
457 struct pipe_blend_state blend;
458 memset(&blend, 0, sizeof(blend));
459 blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_ONE;
460 blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_ONE;
461 blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_ZERO;
462 blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_ZERO;
463 blend.rt[0].colormask = PIPE_MASK_RGBA;
464 cso_set_blend(r->cso, &blend);
469 struct pipe_sampler_state sampler;
470 memset(&sampler, 0, sizeof(sampler));
471 sampler.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
472 sampler.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
473 sampler.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
474 sampler.min_mip_filter = PIPE_TEX_MIPFILTER_NONE;
475 sampler.min_img_filter = PIPE_TEX_FILTER_NEAREST;
476 sampler.mag_img_filter = PIPE_TEX_FILTER_NEAREST;
477 sampler.normalized_coords = 1;
478 cso_single_sampler(r->cso, 0, &sampler);
479 cso_single_sampler_done(r->cso);
482 renderer_bind_destination(r, dst_surface,
484 dst_surface->height);
486 /* texture/sampler view */
488 struct pipe_sampler_view templ;
489 struct pipe_sampler_view *src_view;
490 u_sampler_view_default_template(&templ,
492 src_texture->format);
493 src_view = pipe->create_sampler_view(pipe, src_texture, &templ);
494 cso_set_fragment_sampler_views(r->cso, 1, &src_view);
495 pipe_sampler_view_reference(&src_view, NULL);
499 shader = xorg_shaders_get(r->shaders,
502 cso_set_vertex_shader_handle(r->cso, shader.vs);
503 cso_set_fragment_shader_handle(r->cso, shader.fs);
506 r->attrs_per_vertex = 2;
509 struct pipe_texture *
510 renderer_clone_texture(struct xorg_renderer *r,
511 struct pipe_texture *src)
513 enum pipe_format format;
514 struct pipe_context *pipe = r->pipe;
515 struct pipe_screen *screen = pipe->screen;
516 struct pipe_texture *pt;
517 struct pipe_texture templ;
519 if (pipe->is_texture_referenced(pipe, src, 0, 0) &
520 PIPE_REFERENCED_FOR_WRITE)
521 pipe->flush(pipe, PIPE_FLUSH_RENDER_CACHE, NULL);
523 /* the coming in texture should already have that invariance */
524 debug_assert(screen->is_format_supported(screen, src->format,
526 PIPE_TEXTURE_USAGE_SAMPLER, 0));
528 format = src->format;
530 memset(&templ, 0, sizeof(templ));
531 templ.target = PIPE_TEXTURE_2D;
532 templ.format = format;
533 templ.last_level = 0;
534 templ.width0 = src->width0;
535 templ.height0 = src->height0;
537 templ.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER;
539 pt = screen->texture_create(screen, &templ);
541 debug_assert(!pt || pipe_is_referenced(&pt->reference));
547 /* copy source framebuffer surface into texture */
548 struct pipe_surface *ps_read = screen->get_tex_surface(
549 screen, src, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_READ);
550 struct pipe_surface *ps_tex = screen->get_tex_surface(
551 screen, pt, 0, 0, 0, PIPE_BUFFER_USAGE_GPU_WRITE );
552 if (pipe->surface_copy) {
553 pipe->surface_copy(pipe,
557 0, 0, src->width0, src->height0);
559 util_surface_copy(pipe, FALSE,
563 0, 0, src->width0, src->height0);
565 pipe_surface_reference(&ps_read, NULL);
566 pipe_surface_reference(&ps_tex, NULL);
573 void renderer_copy_pixmap(struct xorg_renderer *r,
576 int width, int height,
580 float s0, t0, s1, t1;
581 float x0, y0, x1, y1;
584 /* XXX: could put the texcoord scaling calculation into the vertex
588 s1 = (sx + width) / src_width;
589 t0 = sy / src_height;
590 t1 = (sy + height) / src_height;
598 renderer_draw_conditional(r, 4*8);
599 add_vertex_1tex(r, x0, y0, s0, t0);
600 add_vertex_1tex(r, x1, y0, s1, t0);
601 add_vertex_1tex(r, x1, y1, s1, t1);
602 add_vertex_1tex(r, x0, y1, s0, t1);
608 void renderer_draw_yuv(struct xorg_renderer *r,
609 int src_x, int src_y, int src_w, int src_h,
610 int dst_x, int dst_y, int dst_w, int dst_h,
611 struct pipe_texture **textures)
613 struct pipe_context *pipe = r->pipe;
614 struct pipe_buffer *buf = 0;
616 buf = setup_vertex_data_yuv(r,
617 src_x, src_y, src_w, src_h,
618 dst_x, dst_y, dst_w, dst_h,
622 const int num_attribs = 2; /*pos + tex coord*/
624 cso_set_vertex_elements(r->cso, num_attribs, r->velems);
626 util_draw_vertex_buffer(pipe, buf, 0,
629 num_attribs); /* attribs/vert */
631 pipe_buffer_reference(&buf, NULL);
635 void renderer_begin_solid(struct xorg_renderer *r)
638 r->attrs_per_vertex = 2;
641 void renderer_solid(struct xorg_renderer *r,
647 debug_printf("solid rect[(%d, %d), (%d, %d)], rgba[%f, %f, %f, %f]\n",
648 x0, y0, x1, y1, color[0], color[1], color[2], color[3]);*/
650 renderer_draw_conditional(r, 4 * 8);
653 add_vertex_color(r, x0, y0, color);
655 add_vertex_color(r, x1, y0, color);
657 add_vertex_color(r, x1, y1, color);
659 add_vertex_color(r, x0, y1, color);
662 void renderer_draw_flush(struct xorg_renderer *r)
664 renderer_draw_conditional(r, 0);
667 void renderer_begin_textures(struct xorg_renderer *r,
670 r->attrs_per_vertex = 1 + num_textures;
674 void renderer_texture(struct xorg_renderer *r,
676 int width, int height,
677 struct pipe_sampler_view **sampler_view,
685 debug_printf("src_matrix = \n");
686 debug_printf("%f, %f, %f\n", src_matrix[0], src_matrix[1], src_matrix[2]);
687 debug_printf("%f, %f, %f\n", src_matrix[3], src_matrix[4], src_matrix[5]);
688 debug_printf("%f, %f, %f\n", src_matrix[6], src_matrix[7], src_matrix[8]);
691 debug_printf("mask_matrix = \n");
692 debug_printf("%f, %f, %f\n", mask_matrix[0], mask_matrix[1], mask_matrix[2]);
693 debug_printf("%f, %f, %f\n", mask_matrix[3], mask_matrix[4], mask_matrix[5]);
694 debug_printf("%f, %f, %f\n", mask_matrix[6], mask_matrix[7], mask_matrix[8]);
698 switch(r->attrs_per_vertex) {
700 renderer_draw_conditional(r, 4 * 8);
702 pos[0], pos[1], /* src */
703 pos[4], pos[5], /* dst */
705 sampler_view[0]->texture, src_matrix);
708 renderer_draw_conditional(r, 4 * 12);
710 pos[0], pos[1], /* src */
711 pos[2], pos[3], /* mask */
712 pos[4], pos[5], /* dst */
714 sampler_view[0]->texture, sampler_view[1]->texture,
715 src_matrix, mask_matrix);
718 debug_assert(!"Unsupported number of textures");